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MCP23017/MCP23S17 Data Sheet - Microchip Technology
https://ww1.microchip.com/downloads/en/devicedoc/20001952c.pdf
MCP23017/MCP23S17 DS20001952C-page 6 2005-2016 Microchip Technology Inc. FIGURE 1-3: I2C BUS START/STOP BITS TIMING FIGURE 1-4: I2C BUS DATA TIMING TABLE 1-3: I2C BUS DATA REQUIREMENTS I2C Interface AC Characteristics: Unless otherwise noted, 1.8V VDD 5.5V at -40 C TA +125 C, RPU (SCL, SDA) = 1 k , CL (SCL, SDA) = 135 pF Param. No.
The MCP23017 and you (a beginner tutorial) | Dogbird Sensors
https://dogbirdsensors.wordpress.com/2014/07/17/the-mcp23017-and-you-a-beginner-tutorial/
Wire.requestFrom requires the address of the MCP23017 and how many bytes you want to read. in this case we want to read the inputs for its single byte (8-bit) to give us the current state (in binary) of the buttons, where 1 = pressed and 0 = not pressed. we follow this command up with the wire.read (); which returns the byte and in this case ...
How to use the MCP23017 I/O Expander on the Arduino
https://www.best-microcontroller-projects.com/mcp23017.html
The MCP23017 is a port expander that gives you virtually identical PORTS compared to standard microcontrollers e.g. Arduino or PIC devices and it even includes interrupts. It gives you an extra 16 I/O pins using an I2C interface as well as comprehensive interrupt control. This is a very versatile and multi-configurable I/O expander.
Library: MCP23017
https://codebender.cc/library/MCP23017
Arduino IDE in the Cloud. Codebender includes a Arduino web editor so you can code, store and manage your Arduino sketches on the cloud, and even compile and flash them.
MCP23017 I/O Expander - Home Assistant
https://www.home-assistant.io/integrations/mcp23017/
The mcp23017 integration is the base for all related mcp23017 platforms in Home Assistant. There is no setup needed for the integration itself, for the platforms please check their corresponding sections. For more details about the MCP23017 I2C I/O port expander you can find its datasheet here: MCP23017. If you are using the Home Assistant Operating System you …
MCP23008 / MCP23017 GPIO Expander - Tasmota
https://tasmota.github.io/docs/MCP230xx/
Command Parameters; Sensor29: MCP23008 / MCP23017 I 2 C GPIO Expander configuration Reset<x> = reset all pins x = 1..6 1 = INPUT mode, no reporting, no pull-up 2 = INPUT mode, report on CHANGE, pull-up enabled 3 = INPUT mode, report on LOW, pull-up enabled 4 = INPUT mode, report on HIGH, pull-up enabled 5 = OUTPUT mode (if enabled by #define …
MCP23017-E/SP Microchip Technology | Integrated …
https://www.digikey.com/en/products/detail/microchip-technology/MCP23017-E-SP/894272
Order today, ships today. MCP23017-E/SP – I/O Expander 16 I²C 1.7 MHz 28-SPDIP from Microchip Technology. Pricing and Availability on millions …
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